Home / 31,341.72-46,979.61-10,276.30

Finding the Fourth Proportional to 31,341.72, 46,979.61 and 10,276.30

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Solution

The fourth proportional to 31,341.72, 46,979.61 and 10,276.30 is: 15,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.72 : 46,979.61 = 10,276.30 : x
  2. Step 2: Convert to fraction form
    31,341.72/46,979.61 = 10,276.30/x
  3. Step 3: Cross multiply
    31,341.72x = 46,979.61 × 10,276.30
  4. Step 4: Simplify right side
    31,341.72x = 482,776,566.24
  5. Step 5: Solve for x
    x = 482,776,566.24/31,341.72
  6. Step 6: Final answer
    x = 15,403.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.